Re-write many calls to WrapUnique() with MakeUnique()

cc/test/test_layer_tree_host_base.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/test/test_layer_tree_host_base.h"
 
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_raster_source.h"
 #include "cc/trees/layer_tree_impl.h"
 
@@ skipping 29 matching lines @@
 std::unique_ptr<OutputSurface> TestLayerTreeHostBase::CreateOutputSurface() {
   return FakeOutputSurface::CreateDelegating3d();
 }
 
 std::unique_ptr<FakeLayerTreeHostImpl> TestLayerTreeHostBase::CreateHostImpl(
     const LayerTreeSettings& settings,
     TaskRunnerProvider* task_runner_provider,
     SharedBitmapManager* shared_bitmap_manager,
     TaskGraphRunner* task_graph_runner,
     gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager) {
-  return base::WrapUnique(new FakeLayerTreeHostImpl(
+  return base::MakeUnique<FakeLayerTreeHostImpl>(
       settings, task_runner_provider, shared_bitmap_manager, task_graph_runner,
-      gpu_memory_buffer_manager));
+      gpu_memory_buffer_manager);
 }
 
 std::unique_ptr<TaskGraphRunner>
 TestLayerTreeHostBase::CreateTaskGraphRunner() {
   return base::WrapUnique(new TestTaskGraphRunner);
 }
 
 void TestLayerTreeHostBase::InitializeRenderer() {
   host_impl_->SetVisible(true);
   host_impl_->InitializeRenderer(output_surface_.get());
@@ skipping 112 matching lines @@
   state.hard_memory_limit_in_bytes = state.soft_memory_limit_in_bytes * 2;
   state.memory_limit_policy = ALLOW_ANYTHING;
   state.tree_priority = SAME_PRIORITY_FOR_BOTH_TREES;
 
   host_impl_->resource_pool()->SetResourceUsageLimits(
       state.soft_memory_limit_in_bytes, state.num_resources_limit);
   host_impl_->tile_manager()->SetGlobalStateForTesting(state);
 }
 
 }  // namespace cc